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Side by Side Diff: src/gpu/effects/GrSimpleTextureEffect.h

Issue 24853002: Make GPU coord transforms automatic (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: rebase Created 7 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #ifndef GrSimpleTextureEffect_DEFINED 8 #ifndef GrSimpleTextureEffect_DEFINED
9 #define GrSimpleTextureEffect_DEFINED 9 #define GrSimpleTextureEffect_DEFINED
10 10
11 #include "GrSingleTextureEffect.h" 11 #include "GrSingleTextureEffect.h"
12 12
13 class GrGLSimpleTextureEffect; 13 class GrGLSimpleTextureEffect;
14 14
15 /** 15 /**
16 * The output color of this effect is a modulation of the input color and a samp le from a texture. 16 * The output color of this effect is a modulation of the input color and a samp le from a texture.
17 * It allows explicit specification of the filtering and wrap modes (GrTexturePa rams). It can use 17 * It allows explicit specification of the filtering and wrap modes (GrTexturePa rams). It can use
18 * local coords, positions, or a custom vertex attribute as input texture coords . The input coords 18 * local coords, positions, or a custom vertex attribute as input texture coords . The input coords
19 * can have a matrix applied in the VS in both the local and position cases but not with a custom 19 * can have a matrix applied in the VS in both the local and position cases but not with a custom
20 * attribute coords at this time. It will add a varying to input interpolate tex ture coords to the 20 * attribute coords at this time. It will add a varying to input interpolate tex ture coords to the
21 * FS. 21 * FS.
22 */ 22 */
23 class GrSimpleTextureEffect : public GrSingleTextureEffect { 23 class GrSimpleTextureEffect : public GrSingleTextureEffect {
24 public: 24 public:
25 /* unfiltered, clamp mode */ 25 /* unfiltered, clamp mode */
26 static GrEffectRef* Create(GrTexture* tex, 26 static GrEffectRef* Create(GrTexture* tex,
27 const SkMatrix& matrix, 27 const SkMatrix& matrix,
28 CoordsType coordsType = kLocal_CoordsType) { 28 GrCoordSet coordSet = kLocal_GrCoordSet) {
29 AutoEffectUnref effect(SkNEW_ARGS(GrSimpleTextureEffect, (tex, matrix, G rTextureParams::kNone_FilterMode, coordsType))); 29 AutoEffectUnref effect(SkNEW_ARGS(GrSimpleTextureEffect, (tex, matrix, G rTextureParams::kNone_FilterMode, coordSet)));
30 return CreateEffectRef(effect); 30 return CreateEffectRef(effect);
31 } 31 }
32 32
33 /* clamp mode */ 33 /* clamp mode */
34 static GrEffectRef* Create(GrTexture* tex, 34 static GrEffectRef* Create(GrTexture* tex,
35 const SkMatrix& matrix, 35 const SkMatrix& matrix,
36 GrTextureParams::FilterMode filterMode, 36 GrTextureParams::FilterMode filterMode,
37 CoordsType coordsType = kLocal_CoordsType) { 37 GrCoordSet coordSet = kLocal_GrCoordSet) {
38 AutoEffectUnref effect( 38 AutoEffectUnref effect(
39 SkNEW_ARGS(GrSimpleTextureEffect, (tex, matrix, filterMode, coordsTy pe))); 39 SkNEW_ARGS(GrSimpleTextureEffect, (tex, matrix, filterMode, coordSet )));
40 return CreateEffectRef(effect); 40 return CreateEffectRef(effect);
41 } 41 }
42 42
43 static GrEffectRef* Create(GrTexture* tex, 43 static GrEffectRef* Create(GrTexture* tex,
44 const SkMatrix& matrix, 44 const SkMatrix& matrix,
45 const GrTextureParams& p, 45 const GrTextureParams& p,
46 CoordsType coordsType = kLocal_CoordsType) { 46 GrCoordSet coordSet = kLocal_GrCoordSet) {
47 AutoEffectUnref effect(SkNEW_ARGS(GrSimpleTextureEffect, (tex, matrix, p , coordsType))); 47 AutoEffectUnref effect(SkNEW_ARGS(GrSimpleTextureEffect, (tex, matrix, p , coordSet)));
48 return CreateEffectRef(effect); 48 return CreateEffectRef(effect);
49 } 49 }
50 50
51 virtual ~GrSimpleTextureEffect() {} 51 virtual ~GrSimpleTextureEffect() {}
52 52
53 static const char* Name() { return "Texture"; } 53 static const char* Name() { return "Texture"; }
54 54
55 virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags ) const SK_OVERRIDE; 55 virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags ) const SK_OVERRIDE;
56 56
57 typedef GrGLSimpleTextureEffect GLEffect; 57 typedef GrGLSimpleTextureEffect GLEffect;
58 58
59 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; 59 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;
60 60
61 private: 61 private:
62 GrSimpleTextureEffect(GrTexture* texture, 62 GrSimpleTextureEffect(GrTexture* texture,
63 const SkMatrix& matrix, 63 const SkMatrix& matrix,
64 GrTextureParams::FilterMode filterMode, 64 GrTextureParams::FilterMode filterMode,
65 CoordsType coordsType) 65 GrCoordSet coordSet)
66 : GrSingleTextureEffect(texture, matrix, filterMode, coordsType) { 66 : GrSingleTextureEffect(texture, matrix, filterMode, coordSet) {
67 } 67 }
68 68
69 GrSimpleTextureEffect(GrTexture* texture, 69 GrSimpleTextureEffect(GrTexture* texture,
70 const SkMatrix& matrix, 70 const SkMatrix& matrix,
71 const GrTextureParams& params, 71 const GrTextureParams& params,
72 CoordsType coordsType) 72 GrCoordSet coordSet)
73 : GrSingleTextureEffect(texture, matrix, params, coordsType) { 73 : GrSingleTextureEffect(texture, matrix, params, coordSet) {
74 } 74 }
75 75
76 virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE { 76 virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE {
77 const GrSimpleTextureEffect& ste = CastEffect<GrSimpleTextureEffect>(oth er); 77 const GrSimpleTextureEffect& ste = CastEffect<GrSimpleTextureEffect>(oth er);
78 return this->hasSameTextureParamsMatrixAndCoordsType(ste); 78 return this->hasSameTextureParamsMatrixAndSourceCoords(ste);
79 } 79 }
80 80
81 GR_DECLARE_EFFECT_TEST; 81 GR_DECLARE_EFFECT_TEST;
82 82
83 typedef GrSingleTextureEffect INHERITED; 83 typedef GrSingleTextureEffect INHERITED;
84 }; 84 };
85 85
86 #endif 86 #endif
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